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Diffstat (limited to 'libodb/odb/std-array-traits.hxx')
-rw-r--r-- | libodb/odb/std-array-traits.hxx | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/libodb/odb/std-array-traits.hxx b/libodb/odb/std-array-traits.hxx new file mode 100644 index 0000000..1d0f1a1 --- /dev/null +++ b/libodb/odb/std-array-traits.hxx @@ -0,0 +1,72 @@ +// file : odb/std-array-traits.hxx +// license : GNU GPL v2; see accompanying LICENSE file + +#ifndef ODB_STD_ARRAY_TRAITS_HXX +#define ODB_STD_ARRAY_TRAITS_HXX + +#include <odb/pre.hxx> + +#include <array> +#include <cstddef> // std::size_t +#include <cassert> + +#include <odb/container-traits.hxx> + +namespace odb +{ + template <typename V, std::size_t N> + class access::container_traits<std::array<V, N>> + { + public: + static const container_kind kind = ck_ordered; + static const bool smart = false; + + typedef std::array<V, N> container_type; + + typedef V value_type; + typedef typename container_type::size_type index_type; + + typedef ordered_functions<index_type, value_type> functions; + + public: + static void + persist (const container_type& c, const functions& f) + { + for (index_type i (0); i < N; ++i) + f.insert (i, c[i]); + } + + static void + load (container_type& c, bool more, const functions& f) + { + index_type i (0); + + for (; more && i < N; ++i) + { + index_type dummy; + more = f.select (dummy, c[i]); + } + + assert (!more && i == N); + } + + static void + update (const container_type& c, const functions& f) + { + f.delete_ (); + + for (index_type i (0); i < N; ++i) + f.insert (i, c[i]); + } + + static void + erase (const functions& f) + { + f.delete_ (); + } + }; +} + +#include <odb/post.hxx> + +#endif // ODB_STD_ARRAY_TRAITS_HXX |